US Air Force STAFF Sergeant Scott Lewis drives the MB2 Tow Tractor as AIRMAN First Class Mike Miller performs the brake operation on a USAF KC-135 Stratotanker, as they move the aircraft to another location. SSGT Lewis and A1C Miller, both Crewcheifs with the 319th Aircraft Generation Squadron (AGS) Grand Forks Air Force Base, North Dakota, depoloyed to Moron Air Base, Spain, in support of Phoneix Duke II